<!-- 自定义图标 -->

<template>
  <div><u-timeline>
    <u-timeline-item>
        <div slot="dot" style="width: 0; height: 0; border: 8px solid transparent; border-top: 8px solid blue; position: relative; top: 4px;" ></div>
        <div>开始</div>
    </u-timeline-item>
    <u-timeline-item>
        <div>处理中</div>
    </u-timeline-item>
    <u-timeline-item>
        <div>完成</div>
    </u-timeline-item>
</u-timeline></div>
</template>